Chemistry The rusting of iron is a/an Electrical change Electrochemical change Physical change None of these Electrical change Electrochemical change Physical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Gold Mercury Iron Platinum Gold Mercury Iron Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Thorium Uranium Sodium Potassium Thorium Uranium Sodium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Iron Air Brass Carbon–dioxide Iron Air Brass Carbon–dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Electrolysis Reduction Oxidation Fractional distillation Electrolysis Reduction Oxidation Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Butane Ethane Propane Methane Butane Ethane Propane Methane ANSWER DOWNLOAD EXAMIANS APP
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